P1146 — Pressure Sensor Circuit Range Performance Problem High Input

What Does P1146 Mean?

P1146 is a manufacturer-specific diagnostic trouble code: Pressure Sensor Circuit Range Performance Problem High Input. This code applies to SUBARU, VOLKSWAGEN vehicles. Unlike generic OBD-II codes, manufacturer-specific codes are defined by the vehicle maker and may only apply to certain makes and models.

Symptoms of P1146

⚠️ Check Engine Light (MIL) illuminated
⚠️ Pressure Sensor not operating within expected parameters
⚠️ Reduced efficiency or performance of related system
⚠️ Reduced engine performance

Common Causes

🔍 Pressure Sensor degraded or contaminated
🔍 Mechanical wear or binding in Pressure Sensor
🔍 Incorrect Pressure Sensor installed (wrong part number)
🔍 Related system mechanical issue affecting Pressure Sensor readings

Frequently Asked Questions

What does P1146 mean?

P1146 indicates: Pressure Sensor Circuit Range Performance Problem High Input. The vehicle's computer has detected that the Pressure Sensor is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P1146?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P1146 for extended periods may cause additional problems.

How much does it cost to fix P1146?

Repair costs for P1146 typically range from $50 to $250, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect and clean Pressure Sensor
🔧 Replace degraded Pressure Sensor
🔧 Check for related mechanical issues affecting readings

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P1146: Pressure Sensor Circuit Range Performance Problem High Input